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NI 4071 7½-Digit FlexDMM Calibration Procedure
60. Repeat step 59 for each of the remaining iterations shown in Table 3.
61. With the calibrator still set at –9 V, use a writable niDMM property node to set the input
resistance of the NI 4071 to 10 M
.
62. Call the niDMM Read VI.
Table 3.
niDMM 10 V Linearity Settings
Iteration
Calibrator Output
Input Resistance
1
5 V
>10 G
2
2.5 V
>10 G
3
–2.5 V
>10 G
4
–5 V
>10 G
5
–9 V
>10 G
LabVIEW Block Diagram
C/C++ Function Call
Call
niDMM
SetAttributeViRea
l64
with the following
parameters:
Instrument_Handle
:
The instrument handle
from
niDMM_init
Attribute_ID
:
NIDMM_ATTR_INPUT_
RESISTANCE
Attribute_Value
:
NIDMM_VAL_10_MEGA
OHM
LabVIEW Block Diagram
C/C++ Function Call
Call
niDMM_read
with the
following parameters:
Instrument_Handle
:
The instrument
handle from
niDMM_init
Reading
: The measurement returned
by the function. Verify that this
measurement falls between the limits
listed in Table 20.
Maximum_Time
:
–1